Silver Cross Wave Universal Car Seat Adaptors The car seat adaptors are used to fit your car seat to the Wave. Simply attach the Car Seat Adaptors to the Wave connector, to connect your car seat. The car seat adaptors are a breeze to use, simply fix onto the chassis then affix your car seat onto the adaptors for a safe and secure travel system.  Note: There are two types of adaptor sets, choose the correct one or both if required: Upper Main Position - for use on the main upper position on the Wave chassis. Lower Tandem Position -  for use on the lower tandem position on the Wave chassis. Compatible car seats include: Maxi Cosi - Cabrio Fix, pebble, Pebble Plus, Rock BeSafe – iZiGo, iZiGo Modular Kiddy – Evo Lunafix, Evolution Pro 2, Evoluna i-Size Cybex – Aton Q, Aton M, Cloud Q, Cloud Z Joie – iGemm Nuna – Pipa Recaro – Privia Avionaut - Infant car seat Noordi – Group 0+ Infant Car Seat